Sunan Ibn Majah, Chapter: Chapters Regarding Funerals

that the Messenger of Allah (saw) said: "Whoever sends fourth three of his children who had not reached the age of puberty, they will be a strong fortification for him against the Fire." Abu Dharr said: "I sent forth two." He said: "And two" Ubayy bin Kab, the chief of the reciters, said: "I sent forth one." He said: "Even one." Daif